public class MultiplyTest extends MathTest{ //乘法运算
    @Override
    public int calculate() {
        int rs = getA() * getB();
        System.out.println(getA()+"*"+getB()+"="+"?");
        return rs;
    }

    @Override
    String getQuestion() {
        String str =getA()+"*"+getB()+"="+"?"+"\t"+"参考答案："+(getA()*getB());
        return str;
    }
}
